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maxonik [38]
3 years ago
13

-(-8)= can someone please solve this? Is a fill in the blank.

Mathematics
2 answers:
butalik [34]3 years ago
7 0

Answer:

8

Step-by-step explanation:

when multiplying two negative, it turn into a positive.

puteri [66]3 years ago
6 0

Answer:

8

The 2 minuses cancel out and becomes 8.

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Step-by-step explanation:

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3 0
3 years ago
A company has two types of machines, type R and type S. Operating at a constant rate, a machine of type R does a certain job in
SashulF [63]

Answer:

The number of machines to complete job in 2 hours is 6.

Step-by-step explanation:

Using the relation of the rate of each one machine and knowing that adding up both rates.

  1. Rate R +Rate S= Rate total

Rate R = \frac{x}{36}  'x' is the job

Rate S = \frac{x}{18}  'x' is the job

So, using the equation of rates

        Rate total =\frac{x}{36} + \frac{x}{18}

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x= \frac{12}{2} \\

x= 6

3 0
3 years ago
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